<template>
	<div class="app">
		<Hello/>
		<h2>{{msg | big}}</h2>
		<h2 v-atguigu-beauty="msg"></h2>
		<button @click="welcome">点我</button>
	</div>
</template>

<script>
	export default {
		name:'App',
		data() {
			return {
				msg:'huan ying lai xue xi'
			}
		},
	}
</script>

<style>
	.app{
		background-color: gray;
		padding: 20px;
	}
</style>